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| author | Wanpeng Li <wanpengli@tencent.com> | 2019-05-21 08:06:53 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-06-04 19:27:35 +0200 |
| commit | b51700632e0e53254733ff706e5bdca22d19dbe5 (patch) | |
| tree | 43f67534a111e163d2535bb44b3222557797fae8 /include/uapi | |
| parent | KVM: Documentation: Add disable pause exits to KVM_CAP_X86_DISABLE_EXITS (diff) | |
| download | linux-b51700632e0e53254733ff706e5bdca22d19dbe5.tar.xz linux-b51700632e0e53254733ff706e5bdca22d19dbe5.zip | |
KVM: X86: Provide a capability to disable cstate msr read intercepts
Allow guest reads CORE cstate when exposing host CPU power management capabilities
to the guest. PKG cstate is restricted to avoid a guest to get the whole package
information in multi-tenant scenario.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/kvm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 2fe12b40d503..c2152f3dd02d 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -696,9 +696,11 @@ struct kvm_ioeventfd { #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) +#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ KVM_X86_DISABLE_EXITS_HLT | \ - KVM_X86_DISABLE_EXITS_PAUSE) + KVM_X86_DISABLE_EXITS_PAUSE | \ + KVM_X86_DISABLE_EXITS_CSTATE) /* for KVM_ENABLE_CAP */ struct kvm_enable_cap { |